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The composition of solar power generation systems
Nov 02, 2017

By the solar cell, solar controller, battery (group) composition. If the output power is AC 220V or 110V, also need to configure the inverter. The role of each part is:

(A) solar panels: solar panels is the core of solar power systems, solar power systems is the highest part of the value. Its role is to convert solar energy into electricity, or sent to the battery stored, or to promote the load work. The quality and cost of solar panels will directly determine the quality and cost of the entire system.

(B) solar controller: the role of solar controller is to control the work of the entire system state, and the battery played a charge protection, over discharge protection role. In the larger temperature difference, the qualified controller should also have the function of temperature compensation. Other additional functions such as light control switches, time control switches should be optional for the controller.

(C) batteries: generally lead-acid batteries, generally 12V and 24V these two, small micro-system, can also be used nickel-metal hydride batteries, nickel-cadmium batteries or lithium batteries. Its role is in the light when the solar panels issued by the energy stored in the need to release when needed.

(D) Inverter: In many cases, need to provide AC220V, AC110V AC power. As the direct output of solar energy are generally DC12V, DC24V, DC48V. In order to provide power to the AC220V appliances, it is necessary to convert the DC power from the solar power system into AC power, so a DC-AC inverter is required. In some cases, the need to use a variety of voltage load, but also use the DC-AC inverter, such as the 24VDC power conversion to 5VDC power (note, not a simple buck).


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